He had an idea. He was going to change his sister-in-law. He texted Amy to come in. As soon as she entered, he hit enter on his keyboard. A ray hit Amy on the chest. She suddenly started to get bigger. She expanded so far that her clothes tore.
Then her chest flattened. then she fell over onto her hands and knees. Her legs and arms matched that of a cows.
Next a tail formed. This was the same time she made a 'cow pie' in his room. Then utters formed. After that her face changed. Then she looked like a cow.
"Moo!" Amy said.